PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11964599-0 2002 Interaction of morphine, fentanyl, sufentanil, alfentanil, and loperamide with the efflux drug transporter P-glycoprotein. Alfentanil 47-57 ATP binding cassette subfamily B member 1 Homo sapiens 107-121 11964599-11 2002 Loperamide, sufentanil, fentanyl, and alfentanil inhibited P-glycoprotein-mediated digoxin transport in Caco-2 cells with IC50 values of 2.5, 4.5, 6.5, and 112 microm, respectively. Alfentanil 38-48 ATP binding cassette subfamily B member 1 Homo sapiens 59-73